"Yes," Eleven couldn't fathom why that was a surprise for a moment before he remembered Xion and how she couldn't get past the simple fact that Yggdrasil was a tree.

His tone edged a touch on the defensive. "The World Tree is the source of all life in Erdrea and She has a will."

Perhaps belatedly realizing that his fellow student wasn't challenging the idea, he colored a bit and glanced to his feet.

"Sorry, it's er- it would look like a green root sprouting out of the ground, either wrapped around a tree trunk or curling with a leaf at the top. It's usually engraved with light runes, and emanates a warm magical energy."